33. Botanist found that ethylene could induce triple response in pea seedlings. Which of the following characteristics is not the effect caused by ethylene?
(A) a slowing of stem elongation
(B) a slowing of root elongation
(C) a curvature that causes stem to grow horizontally
(D) a thickening of the stem
(E) none of the above
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1. 黑暗中生長的苗，若遇到很少量的乙烯...
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94年 - 94 高雄醫學大學_學士後...
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